tangent

• اسم يشير إلى خط مستقيم أو مستوى يلامس منحنى أو سطحًا منحنيًا في نقطة واحدة دون أن يقطعه، أو إلى النسبة المثلثية بين الضلع المقابل والضلع المجاور للزاوية في المثلث القائم.

A noun referring to a straight line or plane that touches a curve or curved surface at a single point without crossing it, or the trigonometric ratio of the opposite side to the adjacent side in a right-angled triangle.

1. Geometry lineB2formalscientific

   A straight line that touches a curve or curved surface at a single point without crossing it.

   المماس

   • The tangent to the circle at point P is perpendicular to the radius.
   • We calculated the slope of the tangent line using calculus.
   • The graph shows a tangent touching the curve at exactly one point.

2. Trigonometric ratioB2formalscientific

   In a right-angled triangle, the ratio of the length of the side opposite an angle to the length of the adjacent side.

   ظل الزاوية

   • The tangent of 45 degrees is equal to 1.
   • Use the tangent function to find the height of the building.
   • The calculator gives the tangent of the angle as 0.577.